title: Insurance payments to US doctors vary widely for same service, study shows.
authors.affiliation: Seattle.
authors.forename: Michael
authors.initials: M
authors.lastname: McCarthy
mesh_terms: D003695:Delivery of Health Care / Q000191:economics; D006801:Humans; D007349:Insurance, Health, Reimbursement / Q000191:economics* / Q000592:standards; D014481:United States